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Finding the Fourth Proportional to 2,642.68, 3,641.03 and 1,744.82

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Solution

The fourth proportional to 2,642.68, 3,641.03 and 1,744.82 is: 2,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.68 : 3,641.03 = 1,744.82 : x
  2. Step 2: Convert to fraction form
    2,642.68/3,641.03 = 1,744.82/x
  3. Step 3: Cross multiply
    2,642.68x = 3,641.03 × 1,744.82
  4. Step 4: Simplify right side
    2,642.68x = 6,352,948.89
  5. Step 5: Solve for x
    x = 6,352,948.89/2,642.68
  6. Step 6: Final answer
    x = 2,403.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.